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Assign start to the value we were able to allocate and use that to

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write out the BAR.  Otherwise, we were trying to shift a 32-bit
quantity on 32-bit platforms.  Also, 'start' check sanity to where it
is known.
This commit is contained in:
imp 2006-10-30 22:46:33 +00:00
parent 02d450964f
commit 82791e6dba
1 changed files with 11 additions and 10 deletions
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21
sys/dev/pci/pci.c
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@ -1315,13 +1315,6 @@ pci_add_map(device_t pcib, device_t bus, device_t dev,
start = base;
end = base + (1 << ln2size) - 1;
}
if ((u_long)start != start) {
/* Wait a minute! this platform can't do this address. */
device_printf(bus,
"pci%d.%d.%x bar %#x start %#jx, too many bits.",
b, s, f, reg, (uintmax_t)start);
return (barlen);
}
resource_list_add(rl, type, reg, start, end, count);
/*
@ -1330,11 +1323,19 @@ pci_add_map(device_t pcib, device_t bus, device_t dev,
*/
res = resource_list_alloc(rl, bus, dev, type, &reg, start, end, count,
prefetch ? RF_PREFETCHABLE : 0);
start = rman_get_start(res);
if ((u_long)start != start) {
/* Wait a minute! this platform can't do this address. */
device_printf(bus,
"pci%d.%d.%x bar %#x start %#jx, too many bits.",
b, s, f, reg, (uintmax_t)start);
resource_list_release(rl, bus, dev, type, reg, res);
return (barlen);
}
if (res != NULL) {
pci_write_config(dev, reg, rman_get_start(res), 4);
pci_write_config(dev, reg, start, 4);
if (ln2range == 64)
pci_write_config(dev, reg + 4,
rman_get_start(res) >> 32, 4);
pci_write_config(dev, reg + 4, start >> 32, 4);
}
return (barlen);
}